US Patent Issued to SAFRAN on March 17 for "Acoustic treatment device for an aircraft propulsion assembly, and its method of manufacture" (French Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,576,981, issued on March 17, was assigned to SAFRAN (Paris).

"Acoustic treatment device for an aircraft propulsion assembly, and its method of manufacture" was invented by Nicolas Pierre Lanfant (Moissy-Cramayel, France), Hugues Laurent Alglave (Moissy-Cramayel, France) and Patrick Dunleavy (Moissy-Cramayel, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "An acoustic treatment device for an aircraft propulsion assembly includes two skins that enclose an acoustic structure. The acoustic structure has a cellular structure with hollow cells and a structure of shapes with protruding shapes, each of which is engaged in a different hollow cell of the c...